Delete the GTK+ port of Chrome.

content/browser/frame_host/render_widget_host_view_guest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "content/browser/browser_plugin/browser_plugin_guest.h"
 #include "content/browser/frame_host/render_widget_host_view_guest.h"
@@ skipping 479 matching lines @@
 
 #endif  // defined(OS_MACOSX)
 
 #if defined(OS_ANDROID)
 void RenderWidgetHostViewGuest::ShowDisambiguationPopup(
     const gfx::Rect& target_rect,
     const SkBitmap& zoomed_bitmap) {
 }
 #endif  // defined(OS_ANDROID)
 
-#if defined(TOOLKIT_GTK)
-GdkEventButton* RenderWidgetHostViewGuest::GetLastMouseDown() {
-  return NULL;
-}
-
-gfx::NativeView RenderWidgetHostViewGuest::BuildInputMethodsGtkMenu() {
-  return platform_view_->BuildInputMethodsGtkMenu();
-}
-#endif  // defined(TOOLKIT_GTK)
-
 #if defined(OS_WIN)
 void RenderWidgetHostViewGuest::SetParentNativeViewAccessible(
     gfx::NativeViewAccessible accessible_parent) {
 }
 
 gfx::NativeViewId RenderWidgetHostViewGuest::GetParentForWindowlessPlugin()
     const {
   return NULL;
 }
 #endif
@@ skipping 70 matching lines @@
       ++g_it) {
     ForwardGestureEventToRenderer(*g_it);
   }
 }
 
 SkBitmap::Config RenderWidgetHostViewGuest::PreferredReadbackFormat() {
   return SkBitmap::kARGB_8888_Config;
 }
 
 }  // namespace content